The present invention relates to the field of vehicle automated
assembly, specifically a heavy-duty AGV
system, wherein the front end of the front vehicle is provided with a front
vehicle driving wheel device, the rear end is provided with a front vehicle follower wheel, the front end of the rear vehicle is provided with a rear vehicle
steering wheel device, the rear end is provided with a rear
vehicle driving wheel device and a rear vehicle follower wheel, and the front and rear vehicles are both provided with a lifting mechanism; the front
vehicle driving wheel device includes a connecting plate, a left driving unit, a right driving unit and a front vehicle power supply device, the connecting plate is provided with a front vehicle disc bearing and is rotatably connected to the front vehicle, the left driving unit and the right driving unit drive different wheel pieces to rotate, the rear vehicle
steering wheel device includes a
steering wheel driving
assembly, a rear vehicle power supply device and a steering wheel frame with a steering wheel wheel piece, the steering wheel frame is provided with a rear vehicle disc bearing and is connected to the rear vehicle, and the rear vehicle disc bearing outer gear is driven to rotate by the steering wheel driving
assembly. The front and rear vehicles of the present invention are loaded at the same time, and the front vehicle is driven forward, and the rear vehicle is dragged and walked, the distance between the two vehicles can be automatically adjusted, and the lifting mechanism can automatically adjust the heavy card assembly and the offline height.